Exothermic and Endothermic Reactions
Grade 9Chemistry45 min
aligned to Teks C.13.c
Learning Objective
I can analyze a chemical reaction to classify reactions as exothermic or endothermic, predict its effect on the surrounding environment and determine when thermodynamic equilibrium has been reached.
Lesson Flow
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Endothermic and Exothermic Reactions
Bozeman Science
Practice
16 questions β’ Short answer
Exit Ticket
βA reaction occurs in a beaker. You touch the beaker and it feels warm. Is the reaction exothermic or endothermic? What is the effect of the reaction on the surrounding environment? A reaction is represented by the following energy diagram: Reactants have an energy level of 150 kJ, and products have an energy level of 75 kJ. Is this reaction exothermic or endothermic? Explain your reasoning.β
Teacher Guide
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- Answer keys for all questions
- Differentiation strategies
- Extension activities
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